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Why are sloths able to survive in the dangerous forest?
Why do we get a runny nose when we cry?
Why do hippopotamuses wag their tails when they defecate?
Why…
Why this? Why that? There are many questions one can easily ask but hard to get the right answers. Come to think of it, there are many scientific mysteries hidden in our everyday life.
$9.50 $7.50
$9.50 $7.50
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